The original message was received at Tue, 28 Jan 2025 09:27:46 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (AS780082) [HK2PEPF00006FB3.apcprd02.prod.outlook.com 2025-01-29T08:27:53.451Z 08DD3E69F1A99159]) (reason: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (AS780082) [HK3PEPF0000021B.apcprd03.prod.outlook.com 2025-01-29T08:27:57.099Z 08DD3E2A70D1EB50]) (reason: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (AS780082) [HK3PEPF00000221.apcprd03.prod.outlook.com 2025-01-29T08:28:00.443Z 08DD3E34533BACEF]) ----- Transcript of session follows ----- ... while talking to lintec-com-sg.mail.protection.outlook.com.: >>> DATA ... Deferred: Connection timed out with mx.lintec.com.sg. ... while talking to mtalvernia-sg.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (AS780082) [HK2PEPF00006FB3.apcprd02.prod.outlook.com 2025-01-29T08:27:53.451Z 08DD3E69F1A99159] ... while talking to nexussurgical-sg.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (AS780082) [HK3PEPF0000021B.apcprd03.prod.outlook.com 2025-01-29T08:27:57.099Z 08DD3E2A70D1EB50] ... while talking to pdlegal-com-sg.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (AS780082) [HK3PEPF00000221.apcprd03.prod.outlook.com 2025-01-29T08:28:00.443Z 08DD3E34533BACEF] Message could not be delivered for 1 day Message will be deleted from queue